Cooperativity in noncovalent interactions

AS Mahadevi, GN Sastry - Chemical reviews, 2016 - ACS Publications
After conquering the atomic structure about a century ago, chemists have been largely
interested in understanding the concept of chemical bond and the formation of a molecule …

Perspective: Found in translation: Quantum chemical tools for grasping non-covalent interactions

E Pastorczak, C Corminboeuf - The Journal of Chemical Physics, 2017 - pubs.aip.org
Today's quantum chemistry methods are extremely powerful but rely upon complex
quantities such as the massively multidimensional wavefunction or even the simpler electron …

The role of alkali metal cations in the stabilization of guanine quadruplexes: why K+ is the best

F Zaccaria, G Paragi, CF Guerra - Physical Chemistry Chemical …, 2016 - pubs.rsc.org
The alkali metal ion affinity of guanine quadruplexes has been studied using dispersion-
corrected density functional theory (DFT-D). We have done computational investigations in …

Effects of metal ions and cosolutes on G-quadruplex topology

T Fujii, P Podbevšek, J Plavec, N Sugimoto - Journal of Inorganic …, 2017 - Elsevier
Topologies of G-quadruplexes depend on oligonucleotide sequences and on environmental
factors, and the diversity of G-quadruplex topologies complicates investigation of functions of …

Exploring non-covalent interactions between caffeine and ascorbic acid: their significance in the physical chemistry of drug efficacy

AB Abraham, AY Alzahrani, R Thomas - Zeitschrift für Physikalische …, 2024 - degruyter.com
Drug–drug interactions occur when two or more molecules interact, potentially altering their
effectiveness and cause adverse effect to human health. Caffeine is known to interact with …

Role of the central cations in the mechanical unfolding of DNA and RNA G-quadruplexes

AE Bergues-Pupo, JR Arias-Gonzalez… - Nucleic acids …, 2015 - academic.oup.com
Cations are known to mediate diverse interactions in nucleic acids duplexes but they are
critical in the arrangement of four-stranded structures. Here, we use all-atom molecular …

Cooperativity in the Self‐Assembly of the Guanine Nucleobase into Quartet and Ribbon Structures on Surfaces

G Paragi, C Fonseca Guerra - Chemistry–A European Journal, 2017 - Wiley Online Library
The guanine nucleobase can self‐assemble into tetrameric or ribbon structures on surfaces
or in solution. The origin for the occurrence of different aggregation patterns has not yet …

The FMO2 analysis of the ligand-receptor binding energy: the Biscarbene-Gold (I)/DNA G-Quadruplex case study

R Paciotti, C Coletti, A Marrone, N Re - Journal of Computer-Aided …, 2022 - Springer
In this work, the ab initio fragment molecular orbital (FMO) method was applied to calculate
and analyze the binding energy of two biscarbene-Au (I) derivatives,[Au (9-methylcaffein-8 …

Improving the accuracy of the FMO binding affinity prediction of ligand-receptor complexes containing metals

R Paciotti, A Marrone, C Coletti, N Re - Journal of Computer-Aided …, 2023 - Springer
Polarization and charge transfer strongly characterize the ligand-receptor interaction when
metal atoms are present, as for the Au (I)-biscarbene/DNA G-quadruplex complexes. In a …

In What Ways Do Synthetic Nucleotides and Natural Base Lesions Alter the Structural Stability of G‐Quadruplex Nucleic Acids?

J Sagi - Journal of Nucleic Acids, 2017 - Wiley Online Library
Synthetic analogs of natural nucleotides have long been utilized for structural studies of
canonical and noncanonical nucleic acids, including the extensively investigated …